SPORTS PARTS INC 4156-S444153-16 Spi Moly Upper Arm Right

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 4156-S444153-16 ), ( Part Type: Arm )

Review SPORTS PARTS INC Spi Chrome Moly Upper A arm black Polaris Shift Right fits IQ 600 2010–2012

The **SPI Moly Upper A-Arm (Part #4156-S444153-16) in Black** is a high-performance, precision-engineered suspension component designed exclusively for the **2010 2012 Polaris 600 IQ** ATV, specifically tailored for the right-side upper control arm. Crafted from durable, high-grade steel, this upper A-arm is built to withstand the rigors of off-road use while maintaining structural integrity and reliability. The component features a **smooth, polished finish** with a **black powder-coat or anodized surface**, providing both an aggressive aesthetic and added protection against corrosion, rust, and abrasion from dirt, rocks, and debris. Engineered with **laser-cut precision**, the upper A-arm ensures proper alignment and articulation, reducing unnecessary wear on bushings, linkages, and suspension components while enhancing overall handling and ride quality. Its **reinforced design** helps absorb impacts and vibrations, contributing to a more stable and controlled ride across rough terrain, from rocky trails to muddy off-road paths. Whether you're tackling technical trails, performing jumps, or simply cruising through the woods, this **direct-fit replacement** eliminates the need for modifications, ensuring a seamless upgrade that restores factory performance or improves upon it. Built to meet or exceed OEM standards, the SPI Moly Upper A-Arm is a **must-have upgrade** for riders seeking enhanced durability, responsiveness, and confidence in their Polaris 600 IQ s suspension system.

### **Pros and Cons of buying a Sports 4156-S444153-16 SPI Moly Upper A-Arm (Black) for a 2010-2012 Polaris 600 IQ Right**

1. **Improved Performance** The SPI Moly coating reduces friction and wear, which can enhance suspension responsiveness and durability, especially in rough or aggressive riding conditions.

2. **Enhanced Durability** Molybdenum disulfide (Moly) is known for its lubricating properties, helping to extend the lifespan of the upper A-arm by reducing metal-to-metal contact.

3. **Better Heat Resistance** The coating can withstand higher temperatures better than standard parts, which is beneficial in high-performance or off-road applications.

4. **OEM Replacement Fit** This part is designed as a direct replacement for the stock upper A-arm on the 2010-2012 Polaris 600 IQ, ensuring proper alignment and function without modifications.

5. **Black Finish** The black coating may help with heat dissipation and provides a cleaner look compared to the stock part.

6. **Warranty Coverage** If purchased from an authorized dealer or reputable supplier, it may come with a warranty, offering some protection against premature failure.

1. **Cost** This is a premium aftermarket part, likely more expensive than the stock OEM A-arm, which may not be justified if the stock part is still in good condition.

2. **Installation Complexity** Replacing the upper A-arm requires removing the suspension components, which may be difficult for inexperienced mechanics. Professional installation is recommended.

3. **Mixed Reviews on SPI Moly** While SPI Moly is respected in some circles, others report that the benefits are marginal unless the part is heavily stressed or abused. Some users find the difference negligible compared to standard coatings.

4. **Potential Overkill for Mild Use** If the bike is primarily used for light trail riding or commuting, the benefits of SPI Moly may not be noticeable, making the upgrade unnecessary.

5. **Compatibility Concerns** Ensure the part is exactly compatible with your model year (2010-2012) and side (right). Incorrect fitment could lead to handling issues.

6. **Resale Value Impact** Aftermarket upgrades, especially high-end ones like SPI Moly, may not increase the bike s resale value and could even deter buyers who prefer stock or simpler modifications.

---

The **Sports 4156-S444153-16 SPI Moly Upper A-Arm** is a solid upgrade for riders who prioritize suspension longevity, heat resistance, and reduced friction particularly those who push their Polaris 600 IQ in aggressive or high-stress conditions. However, if the stock A-arm is still functional and the bike is used for mild riding, the cost and complexity may not be worth it.

For **serious off-roaders, racers, or those who frequently ride in harsh conditions**, this part is a worthwhile investment. For **casual or light-use riders**, a standard replacement or even maintaining the stock part may be sufficient.

---

- **Buy if:** You ride aggressively, frequently encounter rough terrain, or notice wear on your current A-arm. The SPI Moly coating will provide a noticeable durability boost.

- **Skip if:** Your stock A-arm is still in good condition, you ride mostly on paved roads or light trails, or you prefer to avoid unnecessary upgrades.

- **Alternative Consideration:** If budget is a concern, a standard aftermarket A-arm (without SPI Moly) may offer similar benefits at a lower cost. Always verify compatibility before purchasing.

For installation, **consult a professional mechanic** to ensure proper alignment and suspension tuning.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items. SPI Chrome Moly Upper A-Arm-Black for 2010 2012 Polaris 600 IQ Shift Right: Application: Right. I need to exchange an item.

Brand: Sports Parts Inc, model Number: 4156-S444153-16. 2010 - 2013 Polaris 550 IQ Shift Right. 2007 - Polaris 600 HO IQ CFI Right.

part #: 4156s44415316 price

• $59.14

specifications snowmobileshocksoi:

• for models: Iq, 600
• for makes: Polaris
• for years: 2010-2012
• brand: Sports Parts Inc
• mpn: 4156-s444153-16
• part type: Arm

returns snowmobileshocksoi:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

general snowmobileshocksoi:

• condition: New
• Parts Accessories > Snowmobile Parts > Shocks Suspension

shipping snowmobileshocksoi:

• transit: 3-6 Days
• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard

payments snowmobileshocksoi:

• other
• wallet: Apple-pay
• credit card: Visa

offer snowmobileshocksoi:

• quantity: 9
• sold: 0
• started: May 1, 2026
• availability: In Stock
• options: Ship-to-home

seller snowmobileshocksoi:

• # reviews: 84331
• rating: 99.9%
• city: Indiana, US

Sports Parts Inc 4156-S444153-16 Is Similar To:

• 01-154-16 Sports Parts Inc Voltage Regulator (31.8% similar) Replaces all selenium metal plate and silicon rectifiers. Output current. 12 volt 200 watt or less. Replaces regulators used on arctic cat, Kawasaki, Krupp, scorpion, ski-door, and others. Protects batteries, lights, and complete electrical systems...(March 11th, 2017)
• 01-154-21c Sports Parts Inc Voltage Regulator (31.6% similar) ...(March 10th, 2017)
• 02-114-03 Sports Parts Inc Sport Exhaust Ball Joint Assembly (29.9% similar) Exhaust ball joint assembly heavy-duty construction. Return items must be in original manufacturers packaging. Thickness shipping free ground in the 48 contiguous us states only, and only for items marked as. Keep all packaging materials and the original shipping box. All tags, labels and stickers ...(September 7th, 2018)
• 04-130-05 Sports Parts Inc Spi Spring Adj Bolt Arctic (36.3% similar) Your friends at classic cycle Parts appreciate business...(January 26th, 2019)
• 04-130-06 Sports Parts Inc Track Adjustment Screw 779422123818 (29.6% similar) on the continent of north America. Actual product may differ from the item shown in photograph. Photos are for reference only...(July 28th, 2018)
• 04-229-010 Sports Parts Inc Cross Shaft (35.6% similar) Photos and fitment chart are for reference may be slightly different every application. The photo fitment chart may also not show everything that is Included...(February 15th, 2019)
• 04-256-su-04055 Sports Parts Inc Spi (28% similar) Spi shocks are designed to work with oem bushings, springs and collars. Check price list for special dealer pricing warning: photos may be generic or approximations, if you are unsure about what purchasing please before order. For bushing, spring and collar info see page. Id: Si mfg price: 96. Never...(April 22nd, 2017)
• 04-273 Sports Parts Inc Spi (29.9% similar) ...(December 18th, 2017)
• 04-295 Sports Parts Inc Spi Spring For Susp Shock (41% similar) This occasionally happens, and is rare. Expedited shipping via USPS priority mail with delivery confirmation is available...(July 11th, 2018)
• 04-296-05 Sports Parts Inc Shock Collar For Springs (38% similar) Shock collar for bushings, springs and collars dagger check for special dealer pricing replacement bushing kit '98-02 STX, '00-03 500R 600R 700R, '98-99 Max DLX SC Tc. Springs spi shocks are designed to work with...(September 27th, 2018)
• 04-297-02 Sports Parts Inc Arctic Cat Spring Retainers Crossfire Cc Up (33.9% similar) They may have repairs. Please look at all the pictures and read whole. Oem original equipment manufacturer which may be new or used items for that machine. Not asking questions, gets you the wrong part every time guaranteed. As this stops us from selling the item to someone else who needs. Shipping ...(August 13th, 2018)